In surveys, internet experts consistently report installing critical updates as the most important step they take to stay secure. Here's another example of why you should make sure you're getting updates regularly

Microsoft has issued a critical update to patch up an Internet Explorer hole that can give hackers access to your system. Hackers could create websites capable of exploiting the zero-day vulnerability -- discovered by Google researcher Clement Lecigne -- and get you to click on the URL via email or instant messenger.